6.8. Using wildcard routes

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The HAProxy Ingress Controller has support for wildcard routes. The Ingress Operator uses wildcardPolicy to configure the ROUTER_ALLOW_WILDCARD_ROUTES environment variable of the Ingress Controller.

The default behavior of the Ingress Controller is to admit routes with a wildcard policy of None, which is backwards compatible with existing IngressController resources.

Procedure

Configure the wildcard policy.
1. Use the following command to edit the IngressController resource:
```
$ oc edit IngressController
```
2. Under spec, set the wildcardPolicy field to WildcardsDisallowed or WildcardsAllowed:
```
spec:
  routeAdmission:
    wildcardPolicy: WildcardsDisallowed # or WildcardsAllowed
```

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